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Business Combination and Goodwill - Additional Information (Details) |  |  |  |  | 1 Months Ended | 12 Months Ended
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Sep. 10, 2019 USD ($) acquisition | Aug. 30, 2019 USD ($) | May 31, 2019 USD ($) | Dec. 08, 2017 USD ($) $ / shares shares | Mar. 30, 2017 USD ($) $ / shares shares | Dec. 31, 2019 USD ($) | Dec. 31, 2018 USD ($) | Dec. 31, 2017 USD ($) shares
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Interest acquired |  |  |  | 18.00% |  |  |  |
Equity interest issued or issuable of shares (in shares) | shares |  |  |  | 6,109,205 |  |  |  | 6,109,205
Equity interest in acquiree |  |  |  | $ 1,055,333 |  |  |  |
Change in goodwill related to Merger |  |  |  |  |  |  | $ 700,000 |
Subsequent recognition of deferred tax asset |  |  |  |  |  | $ 0 | 868,000 | $ 0
Subsequent recognition of deferred tax asset |  |  |  |  |  |  | 200,000 |
Goodwill and deferred tax assets, decrease merger transaction costs |  |  |  |  |  |  | 900,000 |
Aggregate goodwill decrease |  |  |  |  |  |  | 200,000 |
Aggregate purchase price |  |  |  |  |  | 49,402,514 | 0 | 0
Consideration transferred |  |  |  | 86,394,383 |  |  |  |
Value of shares transferred in acquisition |  |  |  | 61,092,050 |  |  |  | $ 61,092,050
Goodwill, impairment loss |  |  |  |  |  | 3,800,000 | $ 3,798,866 |
Preferred stock |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Equity interest in acquiree |  |  |  | $ 19,118,000 |  | $ 19,100,000 |  |
Warrant One |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Exercise price per share (in dollars per share) | $ / shares |  |  |  | $ 11 |  |  |  |
Warrant Two |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Exercise price per share (in dollars per share) | $ / shares |  |  |  | $ 10 |  |  |  |
NMM |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Dissenting shareholder interests |  |  |  | $ 0 |  |  |  |
NMM | Noncontrolling Interest |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Equity interest in acquiree |  |  |  | $ 5,129,000 |  |  |  |
NMM | APAACO |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Ownership interest |  |  |  | 50.00% |  |  |  |
ApolloMed | APAACO |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Ownership interest |  |  |  | 50.00% |  |  |  |
Alliance Apex, LLC | Convertible Notes Payable |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Face amount of debt |  |  |  |  | $ 5,000,000 |  |  |
Conversion price (in dollars per share) | $ / shares |  |  |  |  | $ 10.00 |  |  |
Alliance Apex, LLC, Manager | Director | Alliance Apex, LLC |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Ownership interest |  |  |  |  | 50.00% |  |  |
ApolloMed |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Interest acquired |  |  |  | 82.00% |  |  |  |
Equity interest in acquiree (in shares) | shares |  |  |  | 2,566,666 |  |  |  |
Percentage of voting interests acquired held back to secure indemnification |  |  |  | 10.00% |  |  |  |
Percentage of voting interests acquired held back to secure indemnification, holding period after closing of merger |  |  |  | 24 months |  |  |  |
Equity interest issued or issuable of shares (in shares) | shares |  |  |  | 6,109,205 |  |  |  |
Expected term |  |  |  |  |  | 2 years |  |
Fair value liquidation preference |  |  |  |  |  | $ 12,700,000 |  |
ApolloMed | Common Class B |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Equity interest in acquiree |  |  |  |  |  | $ 6,400,000 |  |
ApolloMed | Measurement Input, Price Volatility |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Expected volatility rate |  |  |  |  |  | 37.90% |  |
ApolloMed | Measurement Input, Risk Free Interest Rate |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Risk free interest rate |  |  |  |  |  | 1.80% |  |
ApolloMed | Convertible Promissory Note |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Converted instrument shares issued (in shares) | shares |  |  |  |  | 520,081 |  |  |
Converted instrument amount |  |  |  |  | $ 5,000,000 |  |  |
ApolloMed | Warrant One |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of warrants (in shares) | shares |  |  |  | 850,000 |  |  |  |
ApolloMed | Warrant Two |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Number of warrants (in shares) | shares |  |  |  | 900,000 |  |  |  |
Acquisition of Alpha Care | APC and APC-LSMA |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Interest acquired |  |  | 100.00% |  |  |  |  |
Aggregate purchase price |  |  | $ 45,055,564 |  |  |  |  |
Escrow deposit |  |  | $ 2,000,000 |  |  |  |  |
Accountable Health Care IPA |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Consideration transferred |  | $ 25,100,000 |  |  |  |  |  |
Assets and liabilities assumed |  | $ 15,400,000 |  |  |  |  |  |
Accountable Health Care IPA | Dr. Jay |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Interest acquired |  | 75.00% |  |  |  |  |  |
Consideration transferred |  | $ 7,250,000 |  |  |  |  |  |
Assets and liabilities assumed |  | $ 5,000,000 |  |  |  |  |  |
Accountable Health Care IPA | APC |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Interest acquired |  | 25.00% |  |  |  |  |  |
Payments to acquire investments |  | $ 2,400,000 |  |  |  |  |  |
AMG |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Consideration transferred | $ 1,600,000 |  |  |  |  |  |  |
Number of additional acquisitions completed | acquisition | 1 |  |  |  |  |  |  |
AMG | APC |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Interest acquired | 100.00% |  |  |  |  |  |  |
Value of shares transferred in acquisition | $ 400,000 |  |  |  |  |  |  |

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